The riddle of melancholia has stumped generations of doctors. It is a serious depressive illness that often leads to suicide and premature death. The disease's link to biology has been intensively studied. Unlike almost any other psychiatric disorder, melancholia sufferers have abnormal endocrine functions. Tests capable of separating melancholia from other mood disorders were useful discoveries, but these tests fell into disuse as psychiatrists lost interest in biology and medicine. In the nineteenth century, theories about the role of endocrine organs encouraged endocrine treatments that...

Shock therapy is making a comeback today in the treatment of serious mental illness. Despite its reemergence as a safe and effective psychiatric tool, however, it continues to be shrouded by a longstanding negative public image, not least due to films such as the classic One Flew over the Cuckoo's Nest, where the inmate of a psychiatric clinic (played by Jack Nicholson) is subjected to electro-shock to curb his rebellious behavior. Beyond its vilification in popular culture, the stereotype of convulsive therapy as a dangerous and inhumane practice is fuelled by professional posturing...